Use test file for result

- The chmod octal value from the defaults.php file is used for the hint. This has the advantage that you do not have to adjust the 13 language files every time you make a change.
- When restoring the file access rights, a test file in the fp-content directory is used to check whether it is writable. If failed, then -1

admin/panels/maintain/admin.maintain.php

@@ -159,7 +159,17 @@ class admin_maintain_default extends AdminPanelAction {
 			case 'restorechmods':
 				{
 					$this->smarty->assign('files', fs_chmod_recursive());
-					$this->smarty->assign('success', 1);
+
+					// Test whether writing is possible in the fp-content directory
+					$test_file = @fopen(CONTENT_DIR . 'chmod-test-file', "a+");
+					if ($test_file) {
+						$this->smarty->assign('success', 1);
+					} else {
+						$this->smarty->assign('success', -1);
+					}
+					@fclose($test_file);
+					@unlink(CONTENT_DIR . 'chmod-test-file');
+
 					return PANEL_NOREDIRECT;
 				}
 			case 'purgetplcache':

fp-interface/lang/cs-cz/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Ukázat informace o PHP',
 	'opt5' => 'Zjistit aktualizace',
 
-	'chmod_info' => 'Následující oprávnění <strong>nemůžou být</strong> resetované na 0776; pravděpodobně vlastník souborů není stejná osoba jako vlastník webu. ' . //
+	'chmod_info' => 'Pokud se oprávnění souboru <strong>nepodařilo</strong> obnovit na ' . decoct(FILE_PERMISSIONS) . ', vlastník souboru pravděpodobně není stejný jako vlastník webového serveru.<br>' . //
 		'Případně můžete ignorovat toto oznámení.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Operace kompletní'
+	1 => 'Operace kompletní',
+	-1 => 'Operace se nezdařila'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/da-dk/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Vis PHP-information om webserveren',
 	'opt5' => 'Tjek for nye versioner',
 
-	'chmod_info' => 'Filadgangsrettighederne <strong>kunne ikke være nulstilles til standardværdierne på 0776.' . //
+	'chmod_info' => 'Hvis filrettighederne <strong>ikke</strong> kunne nulstilles til ' . decoct(FILE_PERMISSIONS) . ', er ejeren af filen sandsynligvis ikke den samme som ejeren af webserveren.<br>' . //
 		'Normalt kan du ignorere dette tip.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Handling udført.'
+	1 => 'Handling udført.',
+	-1 => 'Handling mislukt.'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/de-de/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Zeige PHP-Informationen des Webservers',
 	'opt5' => 'Prüfe auf neue Versionen',
 
-	'chmod_info' => 'Die Dateizugriffsrechte <strong>konnten nicht</strong> auf die Default Werte von 0776 zurückgesetzt werden. ' . //
+	'chmod_info' => 'Wenn die Dateiberechtigungen <strong>nicht</strong> auf ' . decoct(FILE_PERMISSIONS) . ' zurückgesetzt werden konnten, ist wahrscheinlich der Eigentümer der Datei nicht derselbe wie der des Webservers.<br>' . //
 		'Normalerweise kann man diesen Hinweis ignorieren.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Aktion ausgeführt.'
+	1 => 'Aktion ausgeführt.',
+	-1 => 'Aktion fehlgeschlagen.'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/el-gr/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Εμφάνιση πληροφοριών σχετικά με την PHP',
 	'opt5' => 'Έλεγχος για αναβαθμίσεις',
 
-	'chmod_info' => 'Τα ακόλουθα δικαιώματα αρχείων <strong>δεν μπόρεσαν</strong> να επανέλθουν σε 0776; πιθανότατα ο ιδιοκτήτης των αρχείων δεν είναι ο ίδιος με τον ιδιοκτήτη του διακομιστή. ' . //
+	'chmod_info' => 'Αν τα δικαιώματα του αρχείου <strong>δεν μπόρεσαν</strong> να επανέλθουν σε ' . decoct(FILE_PERMISSIONS) . ', ο ιδιοκτήτης του αρχείου δεν είναι πιθανότατα ο ίδιος με τον ιδιοκτήτη του διακομιστή ιστού.<br>' . //
 		'Συνήθως αυτή η ειδοποίηση μπορεί να αγνοηθεί.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Η διαδικασία ολοκληρώθηκε'
+	1 => 'Η διαδικασία ολοκληρώθηκε',
+	-1 => 'Η διαδικασία απέτυχε'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/en-us/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Show info about PHP',
 	'opt5' => 'Check for updates',
 
-	'chmod_info' => 'The following file permissions <strong>could not</strong> be reset to 0776; probably file owner is not the same as the webserver\'s. ' . //
+	'chmod_info' => 'If the file permissions <strong>could not</strong> be reset to ' . decoct(FILE_PERMISSIONS) . ', the owner of the file is probably not the same as the owner of the web server.<br>' . //
-		'Usually you can ignore this notice.'
+		'Normalement, tu peux ignorer cette remarque.'
 );
 	
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Operation completed'
+	1 => 'Operation completed',
+	-1 => 'Operation failed'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/es-es/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Mostrar información sobre PHP',
 	'opt5' => 'Buscar actualizaciones',
 
-	'chmod_info' => 'Los siguientes permisos de archivo <strong>no pudieron</strong> ser reiniciados a 0776; probablemente el propietario del archivo no sea el mismo que el del servidor web. ' . //
+	'chmod_info' => 'Si los permisos del archivo <strong>no se pudieron</strong> restablecer a ' . decoct(FILE_PERMISSIONS) . ', es probable que el propietario del archivo no sea el mismo que el del servidor web.<br>' . //
 		'Por lo general, puede ignorar este aviso.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Operación completada'
+	1 => 'Operación completada',
+	-1 => 'Operación fallida'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/fr-fr/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Afficher info.php',
 	'opt5' => 'Vérifier les mises à jour',
 
-	'chmod_info' => 'Les permissions de fichiers (chmod) <strong>ne sont peut-&ecirc;tre pas</strong> &agrave; 0776; propri&eacute;taire du fichier peut-&ecirc;' . //
+	'chmod_info' => 'Si les permissions du fichier <strong>n\'ont pas pu être remises à ' . decoct(FILE_PERMISSIONS) . '</strong>, il est probable que le propriétaire du fichier ne soit pas le même que celui du serveur web.<br>' . //
 		'tre diff&eacute;rent du serveur web.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Op&eacute;ration effectu&eacute;e'
+	1 => 'Op&eacute;ration effectu&eacute;e',
+	-1 => '&Eacute;chec de l\'op&eacute;ration'
 );
 	
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/it-it/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Visualizza informazioni su PHP',
 	'opt5' => 'Controllo aggiornamenti',
 
-	'chmod_info' => 'I seguenti permessi dei file <strong>non possono</strong> essere ripristinati a 0776; probabilmente il proprietario non è lo stesso del server web. ' . //
+	'chmod_info' => 'Se non è stato possibile reimpostare i permessi del file a ' . decoct(FILE_PERMISSIONS) . ', probabilmente il proprietario del file non è lo stesso del server web.<br>' . //
 		'Di solito puoi ignorare questo avviso.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Operazione completata con successo'
+	1 => 'Operazione completata con successo',
+	-1 => 'Operazione non completata con successo'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/ja-jp/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'PHP情報を表示します',
 	'opt5' => 'アップデートをチェックします',
 
-	'chmod_info' => '次のファイルのパーミッションを 0776 にリセット<strong>できません</strong>; おそらく、ファイルの所有権者とウェブサーバの権限が異なるのでしょう。' . //
+	'chmod_info' => 'ファイルのパーミッションを' . decoct(FILE_PERMISSIONS) . 'にリセットできなかった場合、ファイルの所有者がウェブサーバーの所有者と同じでない可能性があります。<br>' . //
 		'でも通常、この通知を無視することができます。'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => '作業を完了しました。'
+	1 => '作業を完了しました。',
+	-1 => '操作が正常に完了しなかった。'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/nl-nl/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Toon info over PHP',
 	'opt5' => 'Controleren op updates',
 
-	'chmod_info' => 'De volgende bestandsmachtigingen <strong>kan niet</strong> worden teruggezet naar 0776; waarschijnlijk is de bestandseigenaar niet hetzelfde als de webserver\'s. ' . //
+	'chmod_info' => 'Als de bestandsrechten niet konden worden teruggezet naar ' . decoct(FILE_PERMISSIONS) . ', is de eigenaar van het bestand waarschijnlijk niet dezelfde als de eigenaar van de webserver.<br>' . //
 		'Meestal kunt u deze kennisgeving negeren.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Operation completed'
+	1 => 'Operation completed',
+	-1 => 'Operatie mislukt'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/pt-br/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Mostre as informações sobre o PHP',
 	'opt5' => 'Procure atualizações',
 
-	'chmod_info' => 'As seguintes permissões de arquivo <strong>não puderam</strong> ser redefinidas para 0776; provavelmente o proprietário do arquivo não é o mesmo do servidor da web. ' . //
+	'chmod_info' => 'Se não for possível redefinir as permissões do arquivo para ' . decoct(FILE_PERMISSIONS) . ', o proprietário do arquivo provavelmente não é o mesmo que o proprietário do servidor Web.<br>' . //
 		'Geralmente você pode ignorar este aviso.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Operação concluída'
+	1 => 'Operação concluída',
+	-1 => 'Falha na operação'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/ru-ru/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Показать информацию о PHP',
 	'opt5' => 'Проверить наличие обновлений',
 
-	'chmod_info' => '<strong>Не удалось<strong> сбросить следующие права доступа к файлам на 0776; вероятно, владелец файла не совпадает с владельцем веб-сервера. ' . //
+	'chmod_info' => 'Если права доступа к файлу не удалось сбросить на ' . decoct(FILE_PERMISSIONS) . ', владелец файла, вероятно, не совпадает с владельцем веб-сервера.<br>' . //
 		'Обычно это уведомление можно проигнорировать.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Операция выполнена'
+	1 => 'Операция выполнена',
+	-1 => 'Операция не удалась'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(

fp-interface/lang/sl-si/lang.admin.maintain.php

@@ -11,12 +11,13 @@ $lang ['admin'] ['maintain'] ['default'] = array(
 	'opt4' => 'Prikaži informacije o PHP',
 	'opt5' => 'Preveri posodobitve',
 
-	'chmod_info' => 'Naslednja dovoljenja za datoteke <strong>ni mogoče</strong> povrniti na 0776; verjetno lastnik datoteke ni isti kot spletne strežnik. ' . //
+	'chmod_info' => 'Če pravic datoteke ni bilo mogoče ponastaviti na ' . decoct(FILE_PERMISSIONS) . ', lastnik datoteke verjetno ni isti kot lastnik spletnega strežnika.<br>' . //
 		'Običajno lahko to obvestilo prezrete.'
 );
 
 $lang ['admin'] ['maintain'] ['default'] ['msgs'] = array(
-	1 => 'Operacija je končana'
+	1 => 'Operacija je končana',
+	-1 => 'Operacija ni uspela'
 );
 
 $lang ['admin'] ['maintain'] ['updates'] = array(